General
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1328 – Guidelines for the Approval of Inflatable Liferafts Subject to Extended Service Intervals Not Exceeding 30 Months – (11 June 2009) - Annex – Guidelines for the Approval of Inflatable Liferafts Subject to Extended Service Intervals Not Exceeding 30 Months - 5 Testing - General

General

  5.1 The liferafts should be subjected to all the relevant tests described in section 5 of resolution A.689(17), as amended by resolution MSC.81(70), and to the following tests in the sequence of appearance. In addition, the manufacturer should carry out a full 30 months’ demonstration, by field trials, to verify adequacy and involving representative types of liferafts, onboard installations, stowage height and conditions of different operational areas. Approvals by Administrations should specify criteria restricting application of the approval to installation situations no more onerous than the field trial. Approvals by Administrations should also specify that they are based on compliance with these Guidelines.

  5.2 Depending on the capacity and type of liferaft(s) submitted for approval, the Administration should, from the relevant range of liferafts, require:

  • .1 two liferafts from a range of 6-8 person capacity;

  • .2 two liferafts from a range of 9-20 person capacity;

  • .3 two liferafts from a range of 21-39 person capacity;

  • .4 two liferafts from a range of 40-51 person capacity;

  • .5 two liferafts from a range of 52-109 person capacity;

  • .6 two liferafts from a range of 110-150 person capacity;

  • .7 two liferafts from a range greater than 151-person capacity;

  • .8 two davit-launched liferafts from a range of 6-24 person capacity;

  • .9 two davit-launched liferafts from a range of 25-39 person capacity; and

  • .10 two davit-launched liferafts from a range greater than 39-person capacity,

to be subjected to the tests in 5.4.1 to .10 in accordance with the test raft distribution table described in 5.3.

  5.3 A test sequence should always include four liferafts (or multiples of four liferafts) collected from the relevant test ranges in 5.2 and the test distribution should be in accordance with table 1footnote.

No. Test Test rafts
1 2 3 4
5.4.2 Vibration/shock test X X X X
5.4.3 Dated item replacement test X X X X
5.4.4 Damp heat cyclic test X X X X
5.4.5 Access to lifting hook test (D/L rafts only) X X X X
5.4.6 Drop test X X    
5.4.7 Cold inflation test     X X
5.4.8 Pressure test X X X X
5.4.9 Floor seam test X X X X
5.4.10 Detailed inspection X X X X

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